aluminum drilling entry sheet

Aluminum drilling entry sheet refers to aluminum sheet for PCB drilling. PCB drill plate main products are divided into the upper sheet and the lower sheet. The…

The PCB aluminum drilling entry sheet is suitable for the drilling process in the circuit board factory to act as the upper cover plate. The main function…

The PCB aluminum drilling entry sheet is suitable for the drilling process in the circuit board factory to act as the upper cover plate. The main function…